All stages · Demo 214
McIsaac Centor
Choice strep / viral. Exudate, nodes, fever, no-cough are counted in code. Age <15 adds 1; ≥45 subtracts 1. Jev never applies McIsaac.
Four pips. A 30-year-old with empty flags is CENTOR 0. A 12-year-old with all four lights 5. No age cannot McIsaac.
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STANDBY
Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.